Exercise apparatus



FIG. 1 is a perspective view of the exercise apparatus showing the new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a right side elevational view of FIG. 3, wherein the left side view is a mirror image thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a rear elevational view thereof. 

The ornamental design for an exercise apparatus, as shown and described. 